/**
 * Copyright (C) 2007 Chunyang Wang.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.chunyang.i2a.sort;

import org.chunyang.common.base.ArrayUtils;

/**
 * @author Chunyang Wang
 * 
 */
public class InsertionSort {

	/**
	 * Sorts the specified array of objects into ascending order, according to
	 * the natural ordering of its elements.
	 * 
	 * @param <T>
	 * @param array
	 * @return 
	 * @return
	 */
	public static <T extends Comparable<T>> void sort(T[] array) {
		for (int i = 1; i < array.length; i++) {
			// Insert array[i] into the sorted sequence array[0..i-1].
			for (int j = 0; j < i; j++) {
				if (array[i].compareTo(array[j]) < 0) {
					ArrayUtils.swap(array, i, j);
				}
			}
		}
	}

}
